Finding the Fourth Proportional to 789,245.99, 1,183,500.91 and 410,064.78
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Solution
The fourth proportional to 789,245.99, 1,183,500.91 and 410,064.78 is: 614,905.93
Step by Step Solution
- Step 1: Write the proportion equation
789,245.99 : 1,183,500.91 = 410,064.78 : x - Step 2: Convert to fraction form
789,245.99/1,183,500.91 = 410,064.78/x - Step 3: Cross multiply
789,245.99x = 1,183,500.91 × 410,064.78 - Step 4: Simplify right side
789,245.99x = 485,312,038,238.63 - Step 5: Solve for x
x = 485,312,038,238.63/789,245.99 - Step 6: Final answer
x = 614,905.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.